Change: Apply some consistency to singleplayer related comments

src/company_cmd.cpp

@@ -882,7 +882,7 @@ CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
 			CompanyRemoveReason reason = (CompanyRemoveReason)GB(p1, 24, 8);
 			if (reason >= CRR_END) return CMD_ERROR;
 
-			/* We can't delete the last existing company in offline mode. */
+			/* We can't delete the last existing company in singleplayer mode. */
 			if (!_networking && Company::GetNumItems() == 1) return CMD_ERROR;
 
 			Company *c = Company::GetIfValid(company_id);

src/console_cmds.cpp

@@ -147,7 +147,7 @@ DEF_CONSOLE_HOOK(ConHookNeedNetwork)
 }
 
 /**
- * Check whether we are in single player mode.
+ * Check whether we are in singleplayer mode.
  * @return True when no network is active.
  */
 DEF_CONSOLE_HOOK(ConHookNoNetwork)
@@ -1248,7 +1248,7 @@ DEF_CONSOLE_CMD(ConReloadAI)
 		return true;
 	}
 
-	/* In offline mode the player can be in an AI company, after cheating or loading network save with an AI in first slot. */
+	/* In singleplayer mode the player can be in an AI company, after cheating or loading network save with an AI in first slot. */
 	if (Company::IsHumanID(company_id) || company_id == _local_company) {
 		IConsoleWarning("Company is not controlled by an AI.");
 		return true;
@@ -1286,7 +1286,7 @@ DEF_CONSOLE_CMD(ConStopAI)
 		return true;
 	}
 
-	/* In offline mode the player can be in an AI company, after cheating or loading network save with an AI in first slot. */
+	/* In singleplayer mode the player can be in an AI company, after cheating or loading network save with an AI in first slot. */
 	if (Company::IsHumanID(company_id) || company_id == _local_company) {
 		IConsoleWarning("Company is not controlled by an AI.");
 		return true;

src/economy.cpp

@@ -289,7 +289,7 @@ void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
 	if (_networking) NetworkClientsToSpectators(old_owner);
 	if (old_owner == _local_company) {
 		/* Single player cheated to AI company.
-		 * There are no spectators in single player, so we must pick some other company. */
+		 * There are no spectators in singleplayer mode, so we must pick some other company. */
 		assert(!_networking);
 		Backup<CompanyID> cur_company2(_current_company, FILE_LINE);
 		for (const Company *c : Company::Iterate()) {
@@ -605,7 +605,7 @@ static void CompanyCheckBankrupt(Company *c)
 		default:
 		case 10: {
 			if (!_networking && _local_company == c->index) {
-				/* If we are in offline mode, leave the company playing. Eg. there
+				/* If we are in singleplayer mode, leave the company playing. Eg. there
 				 * is no THE-END, otherwise mark the client as spectator to make sure
 				 * he/she is no long in control of this company. However... when you
 				 * join another company (cheat) the "unowned" company can bankrupt. */
@@ -2114,7 +2114,7 @@ CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
 	/* Disable takeovers when not asked */
 	if (!HasBit(c->bankrupt_asked, _current_company)) return CMD_ERROR;
 
-	/* Disable taking over the local company in single player */
+	/* Disable taking over the local company in singleplayer mode */
 	if (!_networking && _local_company == c->index) return CMD_ERROR;
 
 	/* Do not allow companies to take over themselves */

src/highscore_gui.cpp

@@ -113,7 +113,7 @@ struct EndGameWindow : EndGameHighScoreBaseWindow {
 			this->window_number = SP_MULTIPLAYER;
 			this->rank = SaveHighScoreValueNetwork();
 		} else {
-			/* in single player _local company is always valid */
+			/* in singleplayer mode _local company is always valid */
 			const Company *c = Company::Get(_local_company);
 			this->window_number = SP_CUSTOM;
 			this->rank = SaveHighScoreValue(c);

src/main_gui.cpp

@@ -313,7 +313,7 @@ struct MainWindow : Window
 				break;
 
 			case GHK_MONEY: // Gimme money
-				/* You can only cheat for money in single player. */
+				/* You can only cheat for money in singleplayer mode. */
 				if (!_networking) DoCommandP(0, 10000000, 0, CMD_MONEY_CHEAT);
 				break;
 

src/network/network_command.cpp

@@ -298,7 +298,7 @@ const char *NetworkGameSocketHandler::ReceiveCommand(Packet *p, CommandPacket *c
 	cp->company = (CompanyID)p->Recv_uint8();
 	cp->cmd     = p->Recv_uint32();
 	if (!IsValidCommand(cp->cmd))               return "invalid command";
-	if (GetCommandFlags(cp->cmd) & CMD_OFFLINE) return "offline only command";
+	if (GetCommandFlags(cp->cmd) & CMD_OFFLINE) return "single-player only command";
 	if ((cp->cmd & CMD_FLAGS_MASK) != 0)        return "invalid command flag";
 
 	cp->p1      = p->Recv_uint32();

src/openttd.cpp

@@ -1131,7 +1131,7 @@ void SwitchToMode(SwitchMode new_mode)
 			break;
 
 		case SM_SAVE_GAME: // Save game.
-			/* Make network saved games on pause compatible to singleplayer */
+			/* Make network saved games on pause compatible to singleplayer mode */
 			if (SaveOrLoad(_file_to_saveload.name, SLO_SAVE, DFT_GAME_FILE, NO_DIRECTORY) != SL_OK) {
 				SetDParamStr(0, GetSaveLoadErrorString());
 				ShowErrorMessage(STR_JUST_RAW_STRING, INVALID_STRING_ID, WL_ERROR);

src/saveload/afterload.cpp

@@ -571,7 +571,7 @@ bool AfterLoadGame()
 		ResetSignalHandlers();
 		return false;
 	} else if (!_networking || _network_server) {
-		/* If we are in single player, i.e. not networking, and loading the
+		/* If we are in singleplayer mode, i.e. not networking, and loading the
 		 * savegame or we are loading the savegame as network server we do
 		 * not want to be bothered by being paused because of the automatic
 		 * reason of a network server, e.g. joining clients or too few